集中注意力于… Read the rest
*[,inә’tenʃәn]n. … Read the rest
一心一意… Read the rest
使(某人)注意(某事)… Read the rest
叫(某人)注意(某事)… Read the rest
立正… Read the rest
采取立正姿势… Read the rest
化 运转维护… Read the rest
专心… Read the rest
注意… Read the rest